Finding the Fourth Proportional to 5,758,669,134.75, 8,638,326,550.86 and 1,617,789,811.80
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Solution
The fourth proportional to 5,758,669,134.75, 8,638,326,550.86 and 1,617,789,811.80 is: 2,426,775,415.98
Step by Step Solution
- Step 1: Write the proportion equation
5,758,669,134.75 : 8,638,326,550.86 = 1,617,789,811.80 : x - Step 2: Convert to fraction form
5,758,669,134.75/8,638,326,550.86 = 1,617,789,811.80/x - Step 3: Cross multiply
5,758,669,134.75x = 8,638,326,550.86 × 1,617,789,811.80 - Step 4: Simplify right side
5,758,669,134.75x = 13,974,996,684,982,743,040 - Step 5: Solve for x
x = 13,974,996,684,982,743,040/5,758,669,134.75 - Step 6: Final answer
x = 2,426,775,415.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.